Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 Kbc5 draw
7 Kbc7 draw
8 Rc3 draw
9 Kd5 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kdc5 loss in 2 half-moves
12 Kdc7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves